Hi Kevin,
TSX561ILT seems like an auto qualified part from ST. Does this part need to be Q1 grade in your application? TLV1701-Q1 and TLV2372-Q1 (dual channel) are good parts to replace with.
OPA2990 is better in performance than TLV1701-Q1 and TLV2372…
Hello Tim. I am going to try to attach the schematic a couple different ways.
I inserted a pdf of the schematic.
and Here is a link to a jpg:
Pyran Amp.pdf
The OPA145 also looks like a good choice, this file has not been recently updated so the OPA196 is not in yet, and the pricing is out of date.
OPA111A options.xlsx
to User473,
I searched all the op amp portfolio with the parametric search (precision, general purpose, and high-speed). There are 6 options with temperatures of 150C and above (see attached). The best match is the OPA211-HT (210C max). This is the…